C12P 25/00
Preparation of compounds containing alloxazine or isoalloxazine nucleus
Official title: Preparation of compounds containing alloxazine or isoalloxazine nucleus, e.g. riboflavin
C12P25/00 (Preparation of compounds containing alloxazine or isoalloxazine nucleus) appears on 59 US grants and 45 published applications in this corpus.
Search patents in C12P- Granted patents
- 59
- Published applications
- 45
- Assignees
- 32
- Inventors
- 182
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 4 |
| 2005 | 1 | 4 |
| 2006 | 2 | 0 |
| 2007 | 2 | 3 |
| 2008 | 3 | 4 |
| 2009 | 0 | 2 |
| 2010 | 4 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 3 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 4 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Limosilactobacillus reuteri strain with high riboflavin production and uses thereof7 Jul 2026US 12,674,188 B2Universiteit Antwerpen
- Production of riboflavin22 Jul 2025US 12,365,885 B2Dsm IP Assets B.V.
- Microorganisms and artificial ecosystems for the production of protein, food, and useful co-products from C1 substrates3 Jun 2025US 12,320,014 B2Kiverdi, Inc.
- Microorganisms and artificial ecosystems for the production of protein, food, and useful co-products from C1 substrates15 Aug 2023US 11,725,290 B2Kiverdi, Inc.
- Production of riboflavin28 Apr 2020US 10,633,684 B2Dsm IP Assets B.V.
- Microorganisms and artificial ecosystems for the production of protein, food, and useful co-products from c1 substrates26 Feb 2026US 2026/0055517 A1Kiverdi, Inc.
- High ph methods and compositions for culturing genetically modified host cells3 Jul 2025US 2025/0215388 A1Amyris, Inc.
- Microorganisms and artificial ecosystems for the production of protein, food, and useful co-products from c1 substrates27 Mar 2025US 2025/0101601 A1Kiverdi, Inc.
- Microorganisms and artificial ecosystems for the production of protein, food, and useful co-products from c1 substrates20 Feb 2025US 2025/0059653 A1Kiverdi, Inc.
- Microorganisms and artificial ecosystems for the production of protein, food, and useful co-products from c1 substrates26 Dec 2024US 2024/0425992 A1Kiverdi, Inc.
Most cited
By later US patents
- Solventless extraction process206US 6,750,048 B2Martek Biosciences Corporation · 2004
- Solventless extraction process96US 7,351,558 B2Martek Biosciences Corporation · 2008
- Solventless extraction process79US 7,662,598 B2Martek Biosciences Corporation · 2010
- Solventless extraction process75US 7,781,193 B2Martek Biosciences Corporation · 2010
- Method for recovery of riboflavin35US 5,103,005 ACoors Biotech, Inc. · 1992